<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

    <div>
        <ul>
            <li>张三</li>
            <li id="l1">李四</li>
            <li id="l2">王五</li>
            <a href="" title="ssss" class="a1">测试</a>
            <span>哈哈</span>
        </ul>
    </div>
    <a href="" title="a2" id="cxl">百度</a>

    <div id="d1">
        <span>哈哈哈</span>
    </div>
    <p id="p1" class="p1">我去啊</p>
</body>
</html>